Gigabyte J4105N H User Manual - Page 15

F_USB30 B SS B_ 1 _S S 1 23 10) F_USB30 (USB 3.1 Gen 1 Header) The header conforms to USB 3.1 Gen 1 and USB 2.0 specification and can provide two USB ports. For purchasing the optional 3.5" front panel that provides two USB 3.1 Gen 1 ports, please contact the local dealer. Pin No. Definition Pin No. Definition 1 VBUS 11 D2+ 2 SSRX1- 12 D2- 11 20 3 SSRX1+ 13 GND 4 GND 14 SSTX2+ 5 SSTX1- 15 SSTX2- 10 1 6 SSTX1+ 16 GND 7 GND 17 SSRX2+ F_ U 8 D1- 18 SSRX2- 9 D1+ 19 VBUS 10 NC 20 No Pin 11) F_USB (USB 2.0/1.1 Header) The header conforms to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer. 2 10 Pin No. Definition 1 Power (5V) Pin No. Definition 6 USB DY+ 1 23 2 Power (5V) 7 GND 1 1 9 3 USB DX- 8 GND 4 USB DY- 9 No Pin 5 USB DX+ 10 NC F_ •• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header. •• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power outlet to prevent damage to the USB bracket. 12) COMB (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. Pin No. Definition Pin No. Definition 12 1 NDCD- 6 NDSR- 2 NSIN 7 NRTS- 3 NSOUT 8 NCTS- 9 10 4 NDTR- 9 NRI- 5 GND 10 No Pin _ B 1 23 1 3 1 23 1 SS F_ S B_ B - 15 - B S_ B